ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9
Arisaema ... Arkansas River
Arisaema
genus of stemless, tuberous-rooted herbs, comprising about 190 species in the arum family (Araceae), native mostly to the Old World but including a few notable wildings of North America.
Arish, Al-
town and largest settlement of the Sinai Peninsula in the northeastern section, on the Mediterranean coast, the capital of Egypt's Shamal Sina' (Northern Sinai) muhafazah (governorate). It was under Israeli military administration from 1967 until 1979, when it returned to Egyptian rule. It is near the mouth of the Wadi ...
Arishima Takeo
Japanese novelist known for his novel Aru onna (1919; A Certain Woman) and for his strong humanitarian views.
Arishtanemi
the 22nd of the 24 Tirthankaras ("Ford-maker," i.e., saviour) of Jainism, a traditional religion of India.
Aristaeus
Greek divinity whose worship was widespread but concerning whom myths are somewhat obscure. The name is derived from the Greek aristos ("best"). Aristaeus was essentially a benevolent deity; he introduced the cultivation of bees and the vine and olive and was the protector of herdsmen and hunters.
Aristagoras
Tyrant of Miletus. He assumed his regency from his father-in-law, Histiaeus (d. 494 BC), who had lost the trust of the Persian emperor, Darius I. Possibly incited by Histiaeus, and with support from Athens and Eretria, Aristagoras raised the Ionian revolt against Persia. Defeated, he left Miletus to found a ...
Aristarain, Adolfo
Argentine film director and screenwriter known for his filmic sophistication and subtle examination of issues of political oppression.
aristarch
a severe critic. The term is derived from the name of the Greek grammarian and critic Aristarchus, who was known for his harsh judgments.
Aristarchus of Samos
Greek astronomer who maintained that Earth rotates on its axis and revolves around the Sun. On this ground, the Greek philosopher Cleanthes the Stoic declared in his Against Aristarchus that Aristarchus ought to be indicted for impiety "for putting into motion the hearth of the universe."
Aristarchus Of Samothrace
Greek critic and grammarian, noted for his contribution to Homeric studies.
Aristeas, Letter of
pseudepigraphal work of pseudo-history produced in Alexandria, probably in the mid-2nd century BC, to promote the cause of Judaism. Though the size and prestige of the Jewish community had already secured for itself a definite place in Alexandrian society and serious anti-Semitism had not yet gained currency, the Jewish community ...
Aristide, Jean-Bertrand
Haitian politician and Roman Catholic priest of the Salesian order, who was a vocal champion of the poor and disenfranchised. He was president of the country in 1991, 1994-96, and 2001-04.
Aristides
Athenian philosopher, one of the earliest Christian Apologists, his Apology for the Christian Faith being one of the oldest extant Apologist documents. Known primarily through a reference by the 4th-century historian Eusebius of Caesarea, Aristides addressed his Apology either to the Roman emperor Hadrian (reigned 117-138) or to his successor ...
Aristides Quintilianus
Greek author of the treatise Peri musike (De musica, "On Music"). This three-volume work constitutes one of the principal sources of modern knowledge of ancient Greek music and its relationship to other disciplines. In the opening of book 1, the author compares music to other arts and sciences, such as ...
Aristides The Just
Athenian statesman and general and founder of the Delian League, which developed into the Athenian Empire.
Aristippus
philosopher who was one of Socrates' disciples and the founder of the Cyrenaic school of hedonism, the ethic of pleasure. The first of Socrates' disciples to demand a salary for teaching philosophy, Aristippus believed that the good life rests upon the belief that among human values pleasure is the highest ...
Aristobulus I
Hasmonean (Maccabean) Hellenized king of Judaea (104-103 BC).
Aristobulus II
last of the Hasmonean (Maccabean) kings of Judaea.
Aristobulus Of Paneas
Jewish Hellenistic philosopher who, like his successor, Philo, attempted to fuse ideas in the Hebrew Scriptures with those in Greek thought.
aristocracy
government by a relatively small privileged class or by a minority consisting of those felt to be best qualified to rule.
Aristomenes
traditional hero of an unsuccessful revolt against the Spartans by the Messenians, who had been enslaved by Sparta in the 8th century BC. Although Aristomenes is probably a historical figure, his career has been heavily overlaid with legend; the standard version makes him a leader of a rebellion about 650 ...
Ariston Of Chios
Greek philosopher who studied under Zeno, the founder of the Stoic school of philosophy; he combined Stoic and Cynic ideas in shaping his own beliefs. Ariston believed that the only topic of genuine value in philosophy is the study of ethics and went even further in claiming that only general ...
Aristophanes
the greatest representative of ancient Greek comedy and the one whose works have been preserved in greatest quantity. He is the only extant representative of the Old Comedy, that is, of the phase of comic dramaturgy in which chorus, mime, and burlesque still played a considerable part and which was ...
Aristophanes Of Byzantium
Greek literary critic and grammarian who, after early study under leading scholars in Alexandria, was chief librarian there c. 195 BC.
Aristotelianism
the philosophy of Aristotle and of those later philosophical movements based on his thought.
Aristotle
ancient Greek philosopher and scientist, one of the greatest intellectual figures of Western history. He was the author of a philosophical and scientific system that became the framework and vehicle for both Christian Scholasticism and medieval Islamic philosophy. Even after the intellectual revolutions of the Renaissance, the Reformation, and the ...
Aristoxenus
Greek Peripatetic philosopher, the first authority for musical theory in the classical world.
arithmetic
branch of mathematics in which numbers, relations among numbers, and observations on numbers are studied and used to solve problems.
arithmetic function
any mathematical function defined for integers (,3, 2, 1, 0, 1, 2, 3,) and dependent upon those properties of the integer itself as a number, in contrast to functions that are defined for other values (real numbers, complex numbers, or even other functions) and that involve various operations from algebra ...
Arithmometer
early calculating machine, built in 1820 by Charles Xavier Thomas de Colmar of France. Whereas earlier calculating machines, such as Blaise Pascal's Pascaline in France and Gottfried Wilhelm von Leibniz's Step Reckoner in Germany, were mere curiosities, with the Industrial Revolution came a widespread need to perform repetitive operations efficiently. ...
Arius
Christian priest of Alexandria, Egypt, whose teachings gave rise to a theological doctrine known as Arianism, which, in affirming the created, finite nature of Christ, was denounced by the early church as a major heresy.
ariya-puggala
in Theravada Buddhism, a person who has attained one of the four levels of holiness. A first type of holy person, called a sotapanna-puggala ("stream-winner"), is one who will attain nibbana (Sanskrit nirvana)-release (moksha) from the cycle of death and rebirth (samsara), the supreme goal of Buddhist practice-after no more ...
ariyah
(Arabic: "gratuitous loan"), in Islamic law, the gratuitous loan of some object-e.g., a utensil, a tool, or a work animal-to another person for a specific period of time, after which the object is returned to the lender. The recipient is required under law to restore the object after use. 'Ariyah ...
Ariyoshi Sawako
Japanese novelist, short-story writer, and playwright who reached a popular audience with serialized novels of social realism that chronicled domestic life in Japan.
Arizona
constituent state of the United States of America. Arizona is the sixth largest state in the country in terms of area. Its population has always been predominantly urban, particularly since the mid-20th century, when urban and suburban areas began growing rapidly at the expense of the countryside. Some scholars believe ...
Arizona Cardinals
American professional gridiron football team based in Phoenix. The Cardinals are the oldest team in the National Football League (NFL), but they are also one of the least successful franchises in league history, having won just two NFL championships (1925, 1947) since the team's founding in 1898.
Arizona Diamondbacks
American professional baseball franchise based in Phoenix that plays in the National League (NL). In 2001, in only their fourth season in Major League Baseball, the Diamondbacks won the World Series.
Arizona State University
public, coeducational institution of higher learning with its main campus in Tempe, Arizona, U.S. The university offers bachelor's, master's, and doctorate degrees in areas including agriculture, engineering, business, education, and the arts and sciences. It also includes Colleges of Architecture and Environmental Design, Fine Arts, Liberal Arts and Sciences, and ...
Arizona, flag of
U.S. state flag consisting of red and yellow rays emanating from a copper-coloured star above a horizontal blue stripe.
Arizona, University of
public, coeducational institution of higher learning in Tucson, Arizona, U.S. The university has a broad curriculum in liberal arts, sciences, agriculture, architecture, engineering, business and public administration, and education. It also offers instruction in nursing and pharmacy and operates professional schools in law and medicine. Bachelor's, master's, and doctorate degree ...
Arizona-Sonora Desert Museum
zoo, natural history museum, and botanical garden located outside Tucson, Arizona, U.S., near the western entrance to Saguaro National Park. Founded in 1952, the museum houses indoor and outdoor displays of living animals and plants native to the Sonoran Desert, an arid region embracing parts of the U.S. states of ...
Arjan
the Sikh religion's fifth Guru and its first martyr.
Arjuna
one of the five Pandava brothers, who are the heroes of the Indian epic the Mahabharata ("Great Epic of the Bharata Dynasty"). Arjuna's hesitation before a battle became the occasion for his friend and charioteer, the god Krishna, to deliver a discourse on duty, or the right course of human ...
ark
("holy ark"), in Jewish synagogues, an ornate cabinet that enshrines the sacred Torah scrolls used for public worship. Because it symbolizes the Holy of Holies of the ancient Temple of Jerusalem, it is the holiest place in the synagogue and the focal point of prayer. The ark is reached by ...
Ark of the Covenant
in Judaism and Christianity, the ornate, gold-plated wooden chest that in biblical times housed the two tablets of the Law given to Moses by God. The Ark rested in the Holy of Holies inside the Tabernacle of the ancient Temple of Jerusalem and was seen only by the high priest ...
ark shell
any of the species of predominantly marine bivalve mollusks of the family Arcidae. Such clams are characterized by boat-shaped shells with long, straight hinge lines bearing many small, interlocking teeth. The shells are usually coated with a thick, sometimes hairy periostracum (outer organic shell layer). Many of these clams have ...
Arkadelphia
city, seat (1842) of Clark county, south-central Arkansas, U.S., about 29 miles (47 km) south of Hot Springs. It lies along the Ouachita River south of that river's confluence with the Caddo River, at the foothills of the Ouachita Mountains. The site was settled in about 1811 by John Hemphill, ...
Arkansas
constituent state of the United States of America. Arkansas ranks 27th among the 50 states in area, but, except for Louisiana and Hawaii, it is the smallest state west of the Mississippi River. Its neighbours are Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, ...
Arkansas City
city, Cowley county, southern Kansas, U.S. It lies near the confluence of the Arkansas and Walnut rivers. Founded in 1870, it was successively named Walnut City, Adelphi, and Creswell; the present name was adopted at the city's incorporation (1872). It was a starting place for the 1893 settlement of the ...
Arkansas Post
historic village site, Arkansas county, southeastern Arkansas, U.S., on the Arkansas River, near its confluence with the Mississippi River. A fort, the first permanent European settlement in the lower Mississippi valley, was built there in 1686 by Henri de Tonty, a lieutenant of French explorer Rene-Robert Cavelier, Sieur de La ...
Arkansas River
large tributary of the Mississippi River, rising in the Sawatch Range of the Rocky Mountains near Leadville in central Colorado, U.S., and flowing generally east-southeastward for 1,460 miles (2,350 km) through Kansas, Oklahoma, and Arkansas before entering the Mississippi 40 miles (64 km) northeast of Arkansas City, Ark. It has ...